Display screen of a portion thereof with icon



Fig. 1 is a front view of a first embodiment of an display screen of a portion thereof with icon; showing my new design; and,

FIG. 2 is a front view of a second embodiment of an icon for a display screen of a portion thereof with icon; showing my new design.

The broken line showing of a portion of the icon and display forms no part of the claimed design. 

CLAIM The ornamental design for a display screen of a portion thereof with icon, as shown and described. 